Dev Articles

React Custom Hook “useToggle”

Another custom hook for simplifying our work flow. when we are working on react/react native sometimes we need to use toggle functions. that is simple but why we do that on our every screen/page we can centralized it.you can try this on your next project. good luck all!

September 10, 2021

React Custom Hook “useUpdate”

When we try to use useEffect on our code it will executed on the initial render, but if we need to execute useEffect hook only for dependency update we can use this useUpdate custom hook.

September 10, 2021

Stuck with SOLID Principles? Let’s make it easy to understand.

What is SOLID The SOLID principles are a set of five guidelines for designing object-oriented software that was introduced by Robert C. Martin. These principles, when followed, can lead to more maintainable and scalable code. Word ‘SOLID’, represents five different principles. 1. Single Responsibility Principle (SRP) A class should have only one reason to change. […]

May 16, 2021

React Native Firebase Todo App

How it works… As the above demo you can do all the CRUD operations for the Todo s. https://github.com/ChathuraLiyanapathirana/rn-fb-todo-app.git

May 15, 2021

Flex Box Layout Checker

Have you ever create a responsive ui? if it is yes. then you know the pain, we have to do so many things to make ui responsiveness. using this css3 model we can create responsive ui s very easily. but it noes not mean, you can do any kind of responsiveness on ui. in this […]

April 13, 2021

React useFetch custom hook

March 1, 2021

Java OOP – Garbage Collection

The process by which the programs perform memory management automatically is called Garbage Collection in Java. The Garbage Collector(GC) reclaim the memory by finding the unused objects and deleting them. Dynamic memory allocation of objects is achieved using the new operator that uses some memory and the memory remains allocated until there are references for […]

September 1, 2020

Java OOP – Java Swing Applications (Layout Manager)

The mechanism of arranging swing controls by adding controls to a container is called layout manager. There are following classes that represents the layout managers: java.awt.BorderLayout java.awt.FlowLayout java.awt.GridLayout java.awt.CardLayout java.awt.GridBagLayout javax.swing.BoxLayout javax.swing.GroupLayout javax.swing.ScrollPaneLayout javax.swing.SpringLayout etc. Visit our previous articles Introduction of Swing applications and Java Containers and Event handling for further more details. BorderLayout The […]

September 1, 2020

Java OOP – Java Swing Applications (Containers and Event Handling)

The window that user interacts in any GUI software is called a container. For building GUI applications at least one container class is necessary. A default layout is present in each container which can be overridden using setLayout method. The codes we give to run the container after we adding the controls to the containers […]

August 29, 2020

Java OOP – Java Swing Applications(Introduction)

Swing in java used for creating window based applications. It includes components like button, scroll bar, text field etc. Putting together all these components makes a graphical user interface. Java Swing Applications can be divided into four major parts. Containers Controls Layout Manager Event Handling Containers The window that user interacts in any GUI software […]

August 27, 2020

Java OOP – Java Inner Classes

Java inner class is a class which is declared inside the class or interface. It can be declared private, public, protected, or with default access whereas an outer class can have only public or default access. We use inner classes to logically group classes and interfaces in one place so that it can be more […]

August 25, 2020

Behavioral – Chain of Responsibility

Chain of responsibility pattern is one of behavioral pattern that used to achieve loose coupling in software design where a request from client is passed to a chain of objects to process them. Then the object in the chain will decide themselves who will be processing the request and whether the request is required to […]

August 24, 2020